An auxiliary scoring structure for corrugated cardboard boxes

By designing an auxiliary marking structure, utilizing a fixed frame and roller limiter, and combining it with a cleaning mechanism, the problem of tool misalignment caused by inconsistent thickness of corrugated cardboard boxes was solved, achieving efficient and precise marking results.

CN224276411UActive Publication Date: 2026-05-26CHANGZHOU XIHENG PACKAGING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU XIHENG PACKAGING CO LTD
Filing Date
2025-05-08
Publication Date
2026-05-26

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Abstract

This utility model discloses an auxiliary marking structure for corrugated cardboard boxes, belonging to the field of corrugated cardboard box marking technology. Key technical features include a conveyor frame with a sliding frame fixedly connected to its top. Two marking frames are arranged on the surface of the sliding frame. A cutter and a cardboard box component are arranged at the bottom of each marking frame. An auxiliary mechanism and a cleaning mechanism are arranged on the surface of the cutter. The auxiliary mechanism includes a fixed frame, two fixed columns, two auxiliary plates, two adjusting plates, and several rollers. The bottom of the fixed frame is fixedly connected to the top of the fixed columns, and the interior of the fixed frame is rotatably connected to the surface of the cutter. This solves the problem that in existing systems, the inconsistent thickness and hardness of the cardboard box surface causes the cutter to easily drag the cardboard box during the marking process, leading to misalignment between the cutter and the cardboard box surface, thus affecting the marking effect.
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Description

Technical Field

[0001] This utility model relates to the field of corrugated cardboard box marking technology, and in particular to an auxiliary marking structure for corrugated cardboard boxes. Background Technology

[0002] The auxiliary opening structure of a corrugated cardboard box is a pre-designed and manufactured structure on the cardboard box to facilitate opening. Its main function is to make it easy for consumers or users to open the cardboard box and obtain the product inside.

[0003] The existing method involves manually handling corrugated cardboard for crease pressing, which not only increases the labor burden on workers but also poses a safety hazard. Furthermore, manual handling of corrugated cardboard can affect the production output of corrugated carton crease pressing devices.

[0004] An existing patent (publication number: CN220923416U) discloses a corrugated cardboard box crease pressing device, including a base frame and a rotary motor. A support frame is fixedly connected to the upper surface of the base frame, and a pressing plate is set inside the support frame. An electric telescopic rod is fixedly installed on the upper surface of the support frame, and the telescopic end of the electric telescopic rod passes through the support frame and is fixedly connected to the upper surface of the pressing plate. Two settling grooves are opened on the upper surface of the base frame, and a drive shaft is set inside each settling groove. A single-rail wheel is fixedly connected to the outer surface of each drive shaft. The two single-rail wheels are connected by belt drive. The output end of the rotary motor is fixedly connected to the right end of one of the drive shafts. This utility model eliminates the need for manual handling of corrugated cardboard for crease pressing, which not only reduces labor costs and safety hazards but also ensures the production volume of corrugated cardboard boxes.

[0005] To address the aforementioned issues, existing patents offer solutions. However, these solutions have certain limitations in practice. Due to the inconsistent thickness and hardness of the cardboard box surface, the cutting tool is prone to dragging the box during the cutting process, which can cause misalignment between the cutting tool and the box surface, thus affecting the cutting effect.

[0006] To address this, an auxiliary marking structure for corrugated cardboard boxes is proposed. Utility Model Content

[0007] The purpose of this invention is to provide an auxiliary marking structure for corrugated cardboard boxes, which can solve the problem that the inconsistent thickness and hardness of the cardboard box surface causes the cutting tool to drag the cardboard box during the marking process, which can easily lead to misalignment between the cutting tool and the surface of the cardboard box, thus affecting the marking effect of the cardboard box.

[0008] To achieve the above objectives, this utility model provides the following technical solution: an auxiliary marking structure for corrugated cardboard boxes, including a conveyor frame, a sliding frame fixedly connected to the top of the conveyor frame, two marking frames provided on the surface of the sliding frame, a cutter and a cardboard box component provided at the bottom of the marking frame, and an auxiliary mechanism and a cleaning mechanism provided on the surface of the cutter.

[0009] The auxiliary mechanism includes a fixed frame, two fixed columns, two auxiliary plates, two adjusting plates, and several rollers. The bottom of the fixed frame is fixedly connected to the top of the fixed columns, and the interior of the fixed frame is rotatably connected to the surface of the cutter. The bottom of the fixed columns is fixedly connected to the top of the auxiliary plates, the bottom of the adjusting plates is rotatably connected to the bottom of the rollers, and the surface of the rollers is rotatably connected to the surface of the carton.

[0010] Preferably, the cleaning mechanism includes two cleaning frames disposed on the surface of the blade, and an adjustment frame is fixedly connected to each of the two cleaning frames on opposite sides.

[0011] Preferably, a fixing block is provided on the rear side of the adjusting plate, and two limiting grooves are provided on the front side of the fixing block.

[0012] Preferably, two cleaning brushes are fixedly connected to the bottom of the fixing block, and the bottom of the cleaning brushes contacts the top of the carton.

[0013] Preferably, the fixed frame has a rotating column rotatably connected inside, the surface of the rotating column is fixedly connected to the inside of the cutter, the surface of the cutter is in contact with the top of the carton, and two spring frames are fixedly connected between the auxiliary plate and the opposite side of the adjustment plate.

[0014] Preferably, an adjusting sleeve and an adjusting column are respectively provided on one side of the two adjusting frames, the surface of the adjusting column is fixedly connected with a groove block, and the surface of the adjusting column is connected to the internal thread of the adjusting sleeve.

[0015] Preferably, a cleaning pad is fixedly connected to one side of each of the two cleaning racks, the side of the cleaning pad near the blade is in contact with the surface of the blade, and a limit block is fixedly connected to the rear side of the auxiliary plate, the surface of the limit block is slidably connected to the inside of the limit groove.

[0016] Preferably, a screw is provided at the bottom of the fixing block, the top of the screw passes through the fixing block and extends into the interior of the adjusting sleeve, the surface of the screw is threadedly connected to the interior of the adjusting sleeve, and four bolts are provided on the rear side of the fixing block, the front side of the bolts passes through the fixing block and extends into the interior of the adjusting plate, and the surface of the bolts is threadedly connected to the interior of the adjusting plate.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This application enables the fixed frame to move the auxiliary plate through the fixed column, so that the auxiliary plate drives the adjusting plate to contact the top of the carton, thereby causing the adjusting plate to drive the roller to contact the top of the carton under the limitation of the auxiliary plate and the spring frame. This facilitates the adjusting plate to limit the carton through the roller, and facilitates the fixed frame to drive the cutter to make incisions on the carton through the auxiliary plate and roller for auxiliary limitation.

[0019] 2. This application enables the adjusting frame to bring the cleaning pad into contact with the surface of the blade through the cleaning frame, thereby facilitating the cleaning pad to clean the surface of the blade, maintaining the cleanliness of the blade and the marking effect, and enabling the fixing block to drive the cleaning brush to clean the area that needs to be marked, thereby improving the efficiency of the blade in marking cardboard boxes. Attached Figure Description

[0020] Figure 1 This is an overall structural diagram of the auxiliary marking structure for corrugated cardboard boxes according to the present invention.

[0021] Figure 2 This is a three-dimensional connection diagram of the cutting tool and the fixing frame in this utility model;

[0022] Figure 3 This is a three-dimensional connection diagram of the auxiliary mechanism in this utility model;

[0023] Figure 4 This is a three-dimensional connection diagram of the cleaning frame and the blade in this utility model;

[0024] Figure 5 This is a three-dimensional connection diagram of the cleaning mechanism in this utility model;

[0025] Figure 6 This is a three-dimensional connection diagram of the cleaning pad and the cleaning frame in this utility model.

[0026] In the diagram, 1. Conveyor frame; 2. Sliding frame; 3. Carton component; 4. Marking frame; 5. Auxiliary mechanism; 501. Fixed frame; 502. Fixed column; 503. Auxiliary plate; 504. Adjusting plate; 505. Roller; 6. Cutting tool; 7. Rotating column; 8. Spring frame; 9. Cleaning mechanism; 901. Cleaning frame; 902. Adjusting frame; 903. Fixed block; 904. Cleaning brush; 905. Limiting groove; 10. Limiting block; 11. Bolt; 12. Adjusting sleeve; 13. Groove block; 14. Adjusting column; 15. Screw; 16. Cleaning pad. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-6 The present invention provides the following technical solution:

[0029] An auxiliary marking structure for corrugated cardboard boxes includes a conveyor frame 1, a sliding frame 2 fixedly connected to the top of the conveyor frame 1, two marking frames 4 arranged on the surface of the sliding frame 2, a cutter 6 and a cardboard box component 3 arranged at the bottom of the marking frame 4, and an auxiliary mechanism 5 and a cleaning mechanism 9 arranged on the surface of the cutter 6.

[0030] The auxiliary mechanism 5 includes a fixed frame 501, two fixed columns 502, two auxiliary plates 503, two adjusting plates 504, and several rollers 505. The bottom of the fixed frame 501 is fixedly connected to the top of the fixed columns 502, the interior of the fixed frame 501 is rotatably connected to the surface of the cutter 6, the bottom of the fixed columns 502 is fixedly connected to the top of the auxiliary plates 503, the bottom of the adjusting plates 504 is rotatably connected to the bottom of the rollers 505, and the surface of the rollers 505 is rotatably connected to the surface of the carton 3.

[0031] In this embodiment: by fixing the bottom of the fixed column 502 to the top of the auxiliary plate 503, the fixed frame 501 can easily move the auxiliary plate 503 through the fixed column 502, so that the auxiliary plate 503 drives the adjusting plate 504 to contact the top of the carton 3. Thus, the adjusting plate 504, under the limitation of the auxiliary plate 503, drives the roller 505 to contact the top of the carton 3, thereby facilitating the adjusting plate 504 to limit the carton 3 through the roller 505. This also facilitates the auxiliary limiting of the fixed frame 501 when it drives the cutter 6 to make incisions on the carton 3 through the adjusting plate 504 and the roller 505.

[0032] Specifically, such as Figure 4 , Figure 5 As shown, the cleaning mechanism 9 includes two cleaning frames 901 disposed on the surface of the blade 6, and an adjustment frame 902 is fixedly connected to each of the two cleaning frames 901 on opposite sides.

[0033] Specifically, such as Figure 4 , Figure 5 As shown, a fixing block 903 is provided on the rear side of the adjusting plate 504, and two limiting grooves 905 are provided on the front side of the fixing block 903.

[0034] Specifically, such as Figure 1 , Figure 5As shown, two cleaning brushes 904 are fixedly connected to the bottom of the fixing block 903, and the bottom of the cleaning brushes 904 contacts the top of the carton component 3.

[0035] In this embodiment: by fixing the side of the adjusting frame 902 close to the cleaning frame 901 to the cleaning frame 901, the fixing block 903 can be conveniently limited by the adjusting frame 902 to the cleaning frame 901, and the bottom of the fixing block 903 can be fixedly connected to the top of the cleaning brush 904. This makes it convenient for the cleaning frame 901 and the cleaning brush 904 to clean the surface and the scratch of the knife 6 respectively, thus achieving the effect of cleaning the surface and the scratch of the knife 6.

[0036] Specifically, such as Figure 3 As shown, a rotating column 7 is rotatably connected inside the fixed frame 501. The surface of the rotating column 7 is fixedly connected to the inside of the cutter 6. The surface of the cutter 6 is in contact with the top of the carton part 3. Two spring frames 8 are fixedly connected between the auxiliary plate 503 and the opposite side of the adjusting plate 504.

[0037] Specifically, such as Figure 5 As shown, an adjustment sleeve 12 and an adjustment column 14 are respectively provided on the opposite side of the two adjustment brackets 902. A groove block 13 is fixedly connected to the surface of the adjustment column 14, and the surface of the adjustment column 14 is threadedly connected to the inside of the adjustment sleeve 12.

[0038] In this embodiment: by fixing the top and bottom of the spring frame 8 to the opposite sides of the auxiliary plate 503 and the adjusting plate 504 respectively, the adjusting frame 902 can be easily adjusted by the spring frame 8, and the surface of the adjusting column 14 can be connected to the internal thread of the adjusting sleeve 12, so that the groove block 13 drives the adjusting column 14 to move into the interior of the adjusting sleeve 12, and the adjusting column 14 can drive the cleaning frame 901 to move and adjust through the adjusting frame 902, thus achieving the effect of convenient adjustment of the cleaning frame 901.

[0039] Specifically, such as Figure 4 , Figure 5 , Figure 6 As shown, cleaning pads 16 are fixedly connected to the opposite sides of the two cleaning racks 901. The side of the cleaning pad 16 closest to the cutter 6 is in contact with the surface of the cutter 6. A limiting block 10 is fixedly connected to the rear side of the auxiliary plate 503. The surface of the limiting block 10 is slidably connected to the inside of the limiting groove 905.

[0040] Specifically, such as Figure 3 , Figure 5 , Figure 6As shown, a screw 15 is provided at the bottom of the fixing block 903. The top of the screw 15 passes through the fixing block 903 and extends into the interior of the adjusting sleeve 12. The surface of the screw 15 is threadedly connected to the interior of the adjusting sleeve 12. Four bolts 11 are provided on the rear side of the fixing block 903. The front side of the bolts 11 passes through the fixing block 903 and extends into the interior of the adjusting plate 504. The surface of the bolts 11 is threadedly connected to the interior of the adjusting plate 504.

[0041] In this embodiment: by sliding the surface of the limiting block 10 to the inside of the limiting groove 905, the limiting block 10 can be conveniently limited to the fixing block 903 through the limiting groove 905, and the surface of the screw 15 can be connected to the inside of the adjusting sleeve 12 through the thread, thereby making it convenient for the screw 15 to fix the adjusting sleeve 12 through the fixing block 903, thus achieving the effect of fixing the adjusting sleeve 12.

[0042] Working principle: When scoring the cardboard box 3, the cardboard box 3 is moved to the surface of the conveyor frame 1. Then, the sliding frame 2 drives the scoring frame 4 to move to the top of the cardboard box 3. This causes the fixed frame 501 to drive the cutter 6 to contact the top of the cardboard box 3. At the same time, the fixed frame 501 drives the auxiliary plate 503 to move through the fixed column 502. The auxiliary plate 503 drives the adjusting plate 504 to contact the top of the cardboard box 3. Under the limitation of the auxiliary plate 503 and the spring frame 8, the adjusting plate 504 drives the roller 505 to contact the top of the cardboard box 3. This facilitates the limiting of the cardboard box 3 by the adjusting plate 504 through the roller 505. This also facilitates the auxiliary limiting of the cutter 6 driven by the fixed frame 501 to score the cardboard box 3 through the adjusting plate 504 and the roller 505. The fixed block 903 moves, causing the limiting block 10 to limit the movement of the fixed block 903 through the limiting groove 905. This allows the limiting block 10 to drive the adjusting frame 902 to move via the screw 15. The adjusting frame 902 then drives the cleaning pad 16 to contact the surface of the cutter 6 via the cleaning frame 901. This facilitates the cleaning pad 16 to clean the surface of the cutter 6, maintaining the cleanliness of the cutter 6 and the marking effect. The fixed block 903 drives the cleaning brush 904 to clean the area that needs marking, thereby improving the efficiency of the cutter 6 in marking the carton 3. This solves the problem that the inconsistent thickness and hardness of the carton surface cause the cutter 6 to easily drag the carton during the marking process, leading to misalignment between the cutter 6 and the carton surface, which affects the marking effect.

[0043] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An auxiliary score aid structure for a corrugated carton comprising a delivery carriage (1) characterised in that: The top of the conveyor (1) is fixedly connected to a sliding frame (2), and the surface of the sliding frame (2) is provided with two marking frames (4). The bottom of the marking frame (4) is provided with a knife (6) and a carton part (3). The surface of the knife (6) is provided with an auxiliary mechanism (5) and a cleaning mechanism (9). The auxiliary mechanism (5) includes a fixed frame (501), two fixed columns (502), two auxiliary plates (503), two adjusting plates (504), and several rollers (505). The bottom of the fixed frame (501) is fixedly connected to the top of the fixed column (502). The interior of the fixed frame (501) is rotatably connected to the surface of the cutter (6). The bottom of the fixed column (502) is fixedly connected to the top of the auxiliary plate (503). The bottom of the adjusting plate (504) is rotatably connected to the bottom of the roller (505). The surface of the roller (505) is rotatably connected to the surface of the carton component (3).

2. An auxiliary creasing structure for a corrugated carton according to claim 1, wherein: The cleaning mechanism (9) includes two cleaning frames (901) disposed on the surface of the blade (6), and an adjustment frame (902) is fixedly connected to the opposite side of each of the two cleaning frames (901).

3. The auxiliary scoring structure for corrugated cardboard boxes according to claim 2, characterized in that: A fixing block (903) is provided on the rear side of the adjusting plate (504), and two limiting grooves (905) are provided on the front side of the fixing block (903).

4. The auxiliary scoring structure for corrugated cardboard boxes according to claim 3, characterized in that: Two cleaning brushes (904) are fixedly connected to the bottom of the fixing block (903), and the bottom of the cleaning brushes (904) contacts the top of the carton (3).

5. The auxiliary scoring structure for corrugated cardboard boxes according to claim 1, characterized in that: The fixed frame (501) is rotatably connected to a rotating column (7), the surface of the rotating column (7) is fixedly connected to the inside of the cutter (6), the surface of the cutter (6) is in contact with the top of the carton component (3), and two spring frames (8) are fixedly connected between the auxiliary plate (503) and the adjusting plate (504) on opposite sides.

6. The auxiliary scoring structure for corrugated cardboard boxes according to claim 2, characterized in that: Two adjusting brackets (902) are respectively provided with adjusting sleeves (12) and adjusting columns (14) on opposite sides. The surface of the adjusting column (14) is fixedly connected with a groove block (13), and the surface of the adjusting column (14) is threadedly connected to the inside of the adjusting sleeve (12).

7. The auxiliary scoring structure for corrugated cardboard boxes according to claim 3, characterized in that: Cleaning pads (16) are fixedly connected to each of the two cleaning racks (901) on opposite sides. The side of the cleaning pad (16) close to the cutter (6) is in contact with the surface of the cutter (6). A limiting block (10) is fixedly connected to the rear side of the auxiliary plate (503). The surface of the limiting block (10) is slidably connected to the inside of the limiting groove (905).

8. The auxiliary scoring structure for corrugated cardboard boxes according to claim 3, characterized in that: The bottom of the fixing block (903) is provided with a screw (15), the top of the screw (15) passes through the fixing block (903) and extends into the interior of the adjusting sleeve (12), the surface of the screw (15) is threadedly connected to the interior of the adjusting sleeve (12), and four bolts (11) are provided on the rear side of the fixing block (903), the front side of the bolts (11) passes through the fixing block (903) and extends into the interior of the adjusting plate (504), the surface of the bolts (11) is threadedly connected to the interior of the adjusting plate (504).